titlenode,ok=scrape.Find(article,func(n*html.Node)bool{ifn.DataAtom==atom.Td&&scrape.Attr(n,"class")=="title"{returntrue}returnfalse})if!ok{... do some error

}

2) The matcher function which controls which nodes will be returned:
A matcher function is an argument to Find or Findall, gets a Node as an input param and returns ether false or true. If true the node n is included in the result of FindAll. In the case of Find a true result from the matcher causes Find to stop and return the Node n.